[1] UASLP, Hosp Cent Dr Ignacio Morones Prieto, Unidad Reg Reumatol & Osteoporosis, San Luis Potosi, Mexico
[2] UASLP, Fac Med, San Luis Potosi, Mexico
[3] Univ Autonoma San Luis Potosi, Fac Med, Unidad Invest Reumatol, San Luis Potosi, Mexico
[4] Hosp Cent, San Luis Potosi, Mexico
[5] UASLP, Hosp Cent Dr Ignacio Morones Prieto, Unidad Reg Reumatol & Osteoporosis, Reumatol, San Luis Potosi, Mexico
[6] Univ Autonoma San Luis Potosi, Hosp Cent, Unidad Invest Reumatol, San Luis Potosi, Mexico
[7] Univ Autonoma San Luis Potosi, Fac Med, San Luis Potosi, Mexico
[8] Univ Autonoma San Luis Potosi, Fac Med, Unidad Invest Reumatol & Osteoporosis, San Luis Potosi, Mexico